1361843485 has 8 divisors (see below), whose sum is σ = 1686928896. Its totient is φ = 1054330320.

The previous prime is 1361843477. The next prime is 1361843489. The reversal of 1361843485 is 5843481631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1361843485 - 2³ = 1361843477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361843489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4392889 + ... + 4393198.

It is an arithmetic number, because the mean of its divisors is an integer number (210866112).

Almost surely, 2^1361843485 is an apocalyptic number.

It is an amenable number.

1361843485 is a deficient number, since it is larger than the sum of its proper divisors (325085411).

1361843485 is an equidigital number, since it uses as much as digits as its factorization.

1361843485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8786123.

The product of its digits is 276480, while the sum is 43.

The square root of 1361843485 is about 36903.1636177713. The cubic root of 1361843485 is about 1108.4320271408.

The spelling of 1361843485 in words is "one billion, three hundred sixty-one million, eight hundred forty-three thousand, four hundred eighty-five".